Laith Hamdan

Laith Hamdan
Al-Mustansiriyah University

Master of Engineering

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12
Publications
1,169
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Introduction
Skills and Expertise

Publications

Publications (12)
Research
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The continuous system of lead adsorption on rice husks was investigated in this paper. Fixed bed study was performed in many tests to investigate the influence of pH, the adsorbent height, the initial concentration of lead, the flow rate and processing time on the lead adsorption process. The results demonstrated that the lead removal capacity decr...
Article
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iqABSTRACTIn this paper, an electro-kinetic technique was applied to remove chromium from contaminated soil. This tech-nique is appropriate for the soils with low permeability. Various experiments were carried out under different operating conditions, including various purging solutions. Garlic peels powder (GPP) was used in this study as a cheap a...
Article
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What is a risk assessment? A risk assessment is a written document that records a three-step process: 1- Identifying the hazards in the workplace(s) under your control. 2 - Assessing the risks presented by these hazards. 3- Putting control measures in place to reduce the risk of these hazards causing harm
Research
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Pollution of the soil by different types of heavy metals is one of the most important problems of the environment. The present study used an electro-kinetic remediation, which is one of the important advanced techniques for the removal nickel from contaminated sandy soil. The study includes many experiments with different pH electrode purging solut...
Article
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Cadmium metal is discharged to the water from different industries. It can cause serious troubles for human being and aquatic ecosystems. The adsorption technique applied in this study to remove cadmium from simulated aqueous solutions onto bentonite clay by various experiments. Fixed bed system was implemented to verify the Impact of pH, initial c...
Article
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Chromium is a dangerous heavy element with harm impact on environment, this study deals with removal of chromium from simulated aqueous solutions by date palm fibers (PDF) as biological products through fixed bed column and batch study. Iraq is one of the first countries in the number of palm trees and thousands of tons of palm fibers are thrown an...
Article
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The main purpose of this study is to test the ability of competition fluid dynamic (CFD) model which (FLUENT) program to simulate the flow over broad crested weir with lower cost and lesser time. This purpose is done by operating an experimental model in the laboratory and then validating this model in the GAMBIT program and FLUENT (ANSYS R 15.0),...
Article
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An electro-kinetic technique was usedin this study for removing of zinc from Iraqi contaminated soil was brought from area close to the Al-Doura refinery plant (silt loam soil). Many experiments were constructed with different electrode purging solutions of tap water at pHof 4.5, 5.5 and 6.5. Chemical anionic surfactant (SDS, sodium dodecyl sulfate...
Article
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In this study, a comparison between using activated carbon prepared from bitter orange peels (BOAC) and a common commercially activated carbon (CAC), which is brought from the market, as adsorbent materials. This study was designed to find out which of these two activated carbons is more effective in the removal of zinc from waste water. This work...
Article
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In this research, an electro-kinetic technique applied for the purpose of removing lead (heavy metal) from two types of contaminated soils (silt clay loam, and sandy), and this technology is applicable in low permeable soils, where pressure driven techniques are prone to flow channeling through cracks or soil rupture. Many sets of experiments were...

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